Lightweight & compact, this 2600m Ah portable battery recharges the battery in your smartphone. Good for 10 hours of talk time or 9 hours of internet, video use, or audio playback. Fits easily in a pocket or purse & charges USB (Universal Serial Bus)-powered devices. LED indicator light shows the battery level. This 2600m Ah portable battery charges up to one device on the go, providing up to 10 hours of talk time or 9 hours of internet, video use, or audio playback.